About the Authors

Hanna Söderström

Affiliation Department of Chemistry, Umeå University, Umeå, Sweden

Josef D. Järhult

Affiliation Section of Infectious Diseases, Department of Clinical Sciences, Uppsala University Hospital, Uppsala, Sweden

Björn Olsen

Affiliations Section of Infectious Diseases, Department of Clinical Sciences, Uppsala University Hospital, Uppsala, Sweden, Section for Zoonotic Ecology and Epidemiology, Kalmar University, Kalmar, Sweden

Richard H. Lindberg

Affiliation Department of Chemistry, Umeå University, Umeå, Sweden

Hiroaki Tanaka

Affiliation Research Center of Environmental Quality Management, Kyoto University, Otsu, Japan

Jerker Fick

jerker.fick@chem.umu.se

Affiliation Department of Chemistry, Umeå University, Umeå, Sweden

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: BO JF. Performed the experiments: HS RHL JF. Analyzed the data: HS JJ BO RHL JF. Contributed reagents/materials/analysis tools: HT. Wrote the paper: HS JJ BO HT JF. Conducted the sampling: HS JJ.